NITTO KOHKI 30SF Steel Quick Connect Coupler NBR R3/8 Female Thread

NITTO KOHKI 30SF STEEL NBR Steel Quick Coupler, R3/8 Male Thread, Heavy Duty
The NITTO KOHKI Hi Cupla 30SF STEEL NBR is a world-class standard socket male-thread pneumatic quick coupler, highly acclaimed across the engineering and pneumatic industries. The body is manufactured from premium-grade steel imported from Japan and specially hardened to deliver superior durability and impact resistance. The rear connection end features an R3/8-inch male thread, complete with a built-in one-way shut-off valve system that automatically stops air immediately upon disconnecting the male plug without leakage. Inside, it features a premium NBR (Nitrile Rubber) seal that perfectly prevents air leaks, meeting the needs of automotive workshops, assembly lines, and factory pneumatic systems requiring high safety standards.
Features
Hardened Steel Body: Genuine hardened steel body construction provides outstanding resistance to torque, impact, and wear from repetitive coupling.  
One-Way Automatic Valve: Built-in spring valve in the socket instantly shuts off air flow when the male plug is disconnected, enabling quick and safe pneumatic tool changes.